Right, I'll liaise with them tomorrow - check there's nothing else planned for that day. I'll draw up some 'airfield information' nearer the time as well, although it's pretty straight forward and they're a friendly lot.
You'll be glad (if other threads are anything to go by) that the a/g radio service is excellent - exactly what it should be, unintrusive, but helpful when required with no 'little hitler' controllers.